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6 Written questions

6 Multiple choice questions

  1. CN¹⁻
  2. PO₃³⁻
  3. OH¹⁻
  4. O₂²⁻
  5. PO₄³⁻
  6. C₂O₄²⁻

5 True/False questions

  1. sulfiteSO₃²⁻

          

  2. dichromateCrO₄²⁻

          

  3. chromateCr₂O7²⁻

          

  4. ammoniumNH₄¹⁺

          

  5. nitriteNO₃¹⁻